[xfa] Move CJX code into fxjs/xfa

This CL moves the remaining CJX clases into fxjs/xfa so they co-exist
with the rest of the CJX classes.

Change-Id: I2b1e5504ac23f73df177f309967a04ab27fb61d1
Reviewed-on: https://pdfium-review.googlesource.com/20550
Commit-Queue: dsinclair <dsinclair@chromium.org>
Reviewed-by: Lei Zhang <thestig@chromium.org>

1 files changed, 481 insertions, 0 deletions

diff --git a/fxjs/xfa/cjx_layoutpseudomodel.cpp b/fxjs/xfa/cjx_layoutpseudomodel.cpp
new file mode 100644
index 0000000000..b80000a0e2
--- /dev/null
+++ b/fxjs/xfa/cjx_layoutpseudomodel.cpp
@@ -0,0 +1,481 @@
+// Copyright 2017 PDFium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
+
+#include "fxjs/xfa/cjx_layoutpseudomodel.h"
+
+#include <set>
+
+#include "core/fxcrt/fx_coordinates.h"
+#include "fxjs/cfxjse_engine.h"
+#include "fxjs/cfxjse_value.h"
+#include "fxjs/js_resources.h"
+#include "xfa/fxfa/cxfa_ffnotify.h"
+#include "xfa/fxfa/parser/cscript_layoutpseudomodel.h"
+#include "xfa/fxfa/parser/cxfa_arraynodelist.h"
+#include "xfa/fxfa/parser/cxfa_containerlayoutitem.h"
+#include "xfa/fxfa/parser/cxfa_document.h"
+#include "xfa/fxfa/parser/cxfa_layoutitem.h"
+#include "xfa/fxfa/parser/cxfa_layoutprocessor.h"
+#include "xfa/fxfa/parser/cxfa_measurement.h"
+#include "xfa/fxfa/parser/cxfa_node.h"
+#include "xfa/fxfa/parser/cxfa_nodeiteratortemplate.h"
+#include "xfa/fxfa/parser/cxfa_traversestrategy_contentlayoutitem.h"
+
+const CJX_MethodSpec CJX_LayoutPseudoModel::MethodSpecs[] = {
+    {"absPage", absPage_static},
+    {"absPageCount", absPageCount_static},
+    {"absPageCountInBatch", absPageCountInBatch_static},
+    {"absPageInBatch", absPageInBatch_static},
+    {"absPageSpan", absPageSpan_static},
+    {"h", h_static},
+    {"page", page_static},
+    {"pageContent", pageContent_static},
+    {"pageCount", pageCount_static},
+    {"pageSpan", pageSpan_static},
+    {"relayout", relayout_static},
+    {"relayoutPageArea", relayoutPageArea_static},
+    {"sheet", sheet_static},
+    {"sheetCount", sheetCount_static},
+    {"sheetCountInBatch", sheetCountInBatch_static},
+    {"sheetInBatch", sheetInBatch_static},
+    {"w", w_static},
+    {"x", x_static},
+    {"y", y_static},
+    {"", nullptr}};
+
+CJX_LayoutPseudoModel::CJX_LayoutPseudoModel(CScript_LayoutPseudoModel* model)
+    : CJX_Object(model) {
+  DefineMethods(MethodSpecs);
+}
+
+CJX_LayoutPseudoModel::~CJX_LayoutPseudoModel() {}
+
+void CJX_LayoutPseudoModel::Ready(CFXJSE_Value* pValue,
+                                  bool bSetting,
+                                  XFA_Attribute eAttribute) {
+  CXFA_FFNotify* pNotify = GetDocument()->GetNotify();
+  if (!pNotify)
+    return;
+  if (bSetting) {
+    ThrowException(L"Unable to set ready value.");
+    return;
+  }
+
+  int32_t iStatus = pNotify->GetLayoutStatus();
+  pValue->SetBoolean(iStatus >= 2);
+}
+
+CJS_Return CJX_LayoutPseudoModel::HWXY(
+    CJS_V8* runtime,
+    const std::vector<v8::Local<v8::Value>>& params,
+    XFA_LAYOUTMODEL_HWXY layoutModel) {
+  if (params.empty() || params.size() > 3)
+    return CJS_Return(JSGetStringFromID(JSMessage::kParamError));
+
+  CXFA_Node* pNode = ToNode(runtime->ToXFAObject(params[0]));
+  if (!pNode)
+    return CJS_Return(true);
+
+  WideString unit(L"pt");
+  if (params.size() >= 2) {
+    WideString tmp_unit = runtime->ToWideString(params[1]);
+    if (!tmp_unit.IsEmpty())
+      unit = tmp_unit;
+  }
+  int32_t iIndex = params.size() >= 3 ? runtime->ToInt32(params[2]) : 0;
+
+  CXFA_LayoutProcessor* pDocLayout = GetDocument()->GetDocLayout();
+  if (!pDocLayout)
+    return CJS_Return(true);
+
+  CXFA_LayoutItem* pLayoutItem = pDocLayout->GetLayoutItem(pNode);
+  if (!pLayoutItem)
+    return CJS_Return(true);
+
+  while (iIndex > 0 && pLayoutItem) {
+    pLayoutItem = pLayoutItem->GetNext();
+    --iIndex;
+  }
+
+  if (!pLayoutItem)
+    return CJS_Return(runtime->NewNumber(0.0));
+
+  CXFA_Measurement measure;
+  CFX_RectF rtRect = pLayoutItem->GetRect(true);
+  switch (layoutModel) {
+    case XFA_LAYOUTMODEL_H:
+      measure.Set(rtRect.height, XFA_Unit::Pt);
+      break;
+    case XFA_LAYOUTMODEL_W:
+      measure.Set(rtRect.width, XFA_Unit::Pt);
+      break;
+    case XFA_LAYOUTMODEL_X:
+      measure.Set(rtRect.left, XFA_Unit::Pt);
+      break;
+    case XFA_LAYOUTMODEL_Y:
+      measure.Set(rtRect.top, XFA_Unit::Pt);
+      break;
+  }
+
+  float fValue =
+      measure.ToUnit(CXFA_Measurement::GetUnitFromString(unit.AsStringView()));
+  return CJS_Return(runtime->NewNumber(FXSYS_round(fValue * 1000) / 1000.0f));
+}
+
+CJS_Return CJX_LayoutPseudoModel::h(
+    CJS_V8* runtime,
+    const std::vector<v8::Local<v8::Value>>& params) {
+  return HWXY(runtime, params, XFA_LAYOUTMODEL_H);
+}
+
+CJS_Return CJX_LayoutPseudoModel::w(
+    CJS_V8* runtime,
+    const std::vector<v8::Local<v8::Value>>& params) {
+  return HWXY(runtime, params, XFA_LAYOUTMODEL_W);
+}
+
+CJS_Return CJX_LayoutPseudoModel::x(
+    CJS_V8* runtime,
+    const std::vector<v8::Local<v8::Value>>& params) {
+  return HWXY(runtime, params, XFA_LAYOUTMODEL_X);
+}
+
+CJS_Return CJX_LayoutPseudoModel::y(
+    CJS_V8* runtime,
+    const std::vector<v8::Local<v8::Value>>& params) {
+  return HWXY(runtime, params, XFA_LAYOUTMODEL_Y);
+}
+
+CJS_Return CJX_LayoutPseudoModel::NumberedPageCount(CJS_V8* runtime,
+                                                    bool bNumbered) {
+  CXFA_LayoutProcessor* pDocLayout = GetDocument()->GetDocLayout();
+  if (!pDocLayout)
+    return CJS_Return(true);
+
+  int32_t iPageCount = 0;
+  int32_t iPageNum = pDocLayout->CountPages();
+  if (bNumbered) {
+    for (int32_t i = 0; i < iPageNum; i++) {
+      CXFA_ContainerLayoutItem* pLayoutPage = pDocLayout->GetPage(i);
+      if (!pLayoutPage)
+        continue;
+
+      CXFA_Node* pMasterPage = pLayoutPage->GetMasterPage();
+      if (pMasterPage->JSNode()->GetInteger(XFA_Attribute::Numbered))
+        iPageCount++;
+    }
+  } else {
+    iPageCount = iPageNum;
+  }
+  return CJS_Return(runtime->NewNumber(iPageCount));
+}
+
+CJS_Return CJX_LayoutPseudoModel::pageCount(
+    CJS_V8* runtime,
+    const std::vector<v8::Local<v8::Value>>& params) {
+  return NumberedPageCount(runtime, true);
+}
+
+CJS_Return CJX_LayoutPseudoModel::pageSpan(
+    CJS_V8* runtime,
+    const std::vector<v8::Local<v8::Value>>& params) {
+  if (params.size() != 1)
+    return CJS_Return(JSGetStringFromID(JSMessage::kParamError));
+
+  CXFA_Node* pNode = ToNode(runtime->ToXFAObject(params[0]));
+  if (!pNode)
+    return CJS_Return(true);
+
+  CXFA_LayoutProcessor* pDocLayout = GetDocument()->GetDocLayout();
+  if (!pDocLayout)
+    return CJS_Return(true);
+
+  CXFA_LayoutItem* pLayoutItem = pDocLayout->GetLayoutItem(pNode);
+  if (!pLayoutItem)
+    return CJS_Return(runtime->NewNumber(-1));
+
+  int32_t iLast = pLayoutItem->GetLast()->GetPage()->GetPageIndex();
+  int32_t iFirst = pLayoutItem->GetFirst()->GetPage()->GetPageIndex();
+  int32_t iPageSpan = iLast - iFirst + 1;
+  return CJS_Return(runtime->NewNumber(iPageSpan));
+}
+
+CJS_Return CJX_LayoutPseudoModel::page(
+    CJS_V8* runtime,
+    const std::vector<v8::Local<v8::Value>>& params) {
+  return PageInternals(runtime, params, false);
+}
+
+std::vector<CXFA_Node*> CJX_LayoutPseudoModel::GetObjArray(
+    CXFA_LayoutProcessor* pDocLayout,
+    int32_t iPageNo,
+    const WideString& wsType,
+    bool bOnPageArea) {
+  CXFA_ContainerLayoutItem* pLayoutPage = pDocLayout->GetPage(iPageNo);
+  if (!pLayoutPage)
+    return std::vector<CXFA_Node*>();
+
+  std::vector<CXFA_Node*> retArray;
+  if (wsType == L"pageArea") {
+    if (pLayoutPage->m_pFormNode)
+      retArray.push_back(pLayoutPage->m_pFormNode);
+    return retArray;
+  }
+  if (wsType == L"contentArea") {
+    for (CXFA_LayoutItem* pItem = pLayoutPage->m_pFirstChild; pItem;
+         pItem = pItem->m_pNextSibling) {
+      if (pItem->m_pFormNode->GetElementType() == XFA_Element::ContentArea)
+        retArray.push_back(pItem->m_pFormNode);
+    }
+    return retArray;
+  }
+  std::set<CXFA_Node*> formItems;
+  if (wsType.IsEmpty()) {
+    if (pLayoutPage->m_pFormNode)
+      retArray.push_back(pLayoutPage->m_pFormNode);
+
+    for (CXFA_LayoutItem* pItem = pLayoutPage->m_pFirstChild; pItem;
+         pItem = pItem->m_pNextSibling) {
+      if (pItem->m_pFormNode->GetElementType() == XFA_Element::ContentArea) {
+        retArray.push_back(pItem->m_pFormNode);
+        if (!bOnPageArea) {
+          CXFA_NodeIteratorTemplate<CXFA_ContentLayoutItem,
+                                    CXFA_TraverseStrategy_ContentLayoutItem>
+          iterator(static_cast<CXFA_ContentLayoutItem*>(pItem->m_pFirstChild));
+          for (CXFA_ContentLayoutItem* pItemChild = iterator.GetCurrent();
+               pItemChild; pItemChild = iterator.MoveToNext()) {
+            if (!pItemChild->IsContentLayoutItem()) {
+              continue;
+            }
+            XFA_Element eType = pItemChild->m_pFormNode->GetElementType();
+            if (eType != XFA_Element::Field && eType != XFA_Element::Draw &&
+                eType != XFA_Element::Subform && eType != XFA_Element::Area) {
+              continue;
+            }
+            if (pdfium::ContainsValue(formItems, pItemChild->m_pFormNode))
+              continue;
+
+            formItems.insert(pItemChild->m_pFormNode);
+            retArray.push_back(pItemChild->m_pFormNode);
+          }
+        }
+      } else {
+        if (bOnPageArea) {
+          CXFA_NodeIteratorTemplate<CXFA_ContentLayoutItem,
+                                    CXFA_TraverseStrategy_ContentLayoutItem>
+          iterator(static_cast<CXFA_ContentLayoutItem*>(pItem));
+          for (CXFA_ContentLayoutItem* pItemChild = iterator.GetCurrent();
+               pItemChild; pItemChild = iterator.MoveToNext()) {
+            if (!pItemChild->IsContentLayoutItem()) {
+              continue;
+            }
+            XFA_Element eType = pItemChild->m_pFormNode->GetElementType();
+            if (eType != XFA_Element::Field && eType != XFA_Element::Draw &&
+                eType != XFA_Element::Subform && eType != XFA_Element::Area) {
+              continue;
+            }
+            if (pdfium::ContainsValue(formItems, pItemChild->m_pFormNode))
+              continue;
+            formItems.insert(pItemChild->m_pFormNode);
+            retArray.push_back(pItemChild->m_pFormNode);
+          }
+        }
+      }
+    }
+    return retArray;
+  }
+
+  XFA_Element eType = XFA_Element::Unknown;
+  if (wsType == L"field")
+    eType = XFA_Element::Field;
+  else if (wsType == L"draw")
+    eType = XFA_Element::Draw;
+  else if (wsType == L"subform")
+    eType = XFA_Element::Subform;
+  else if (wsType == L"area")
+    eType = XFA_Element::Area;
+
+  if (eType != XFA_Element::Unknown) {
+    for (CXFA_LayoutItem* pItem = pLayoutPage->m_pFirstChild; pItem;
+         pItem = pItem->m_pNextSibling) {
+      if (pItem->m_pFormNode->GetElementType() == XFA_Element::ContentArea) {
+        if (!bOnPageArea) {
+          CXFA_NodeIteratorTemplate<CXFA_ContentLayoutItem,
+                                    CXFA_TraverseStrategy_ContentLayoutItem>
+          iterator(static_cast<CXFA_ContentLayoutItem*>(pItem->m_pFirstChild));
+          for (CXFA_ContentLayoutItem* pItemChild = iterator.GetCurrent();
+               pItemChild; pItemChild = iterator.MoveToNext()) {
+            if (!pItemChild->IsContentLayoutItem())
+              continue;
+            if (pItemChild->m_pFormNode->GetElementType() != eType)
+              continue;
+            if (pdfium::ContainsValue(formItems, pItemChild->m_pFormNode))
+              continue;
+
+            formItems.insert(pItemChild->m_pFormNode);
+            retArray.push_back(pItemChild->m_pFormNode);
+          }
+        }
+      } else {
+        if (bOnPageArea) {
+          CXFA_NodeIteratorTemplate<CXFA_ContentLayoutItem,
+                                    CXFA_TraverseStrategy_ContentLayoutItem>
+          iterator(static_cast<CXFA_ContentLayoutItem*>(pItem));
+          for (CXFA_ContentLayoutItem* pItemChild = iterator.GetCurrent();
+               pItemChild; pItemChild = iterator.MoveToNext()) {
+            if (!pItemChild->IsContentLayoutItem())
+              continue;
+            if (pItemChild->m_pFormNode->GetElementType() != eType)
+              continue;
+            if (pdfium::ContainsValue(formItems, pItemChild->m_pFormNode))
+              continue;
+
+            formItems.insert(pItemChild->m_pFormNode);
+            retArray.push_back(pItemChild->m_pFormNode);
+          }
+        }
+      }
+    }
+  }
+  return retArray;
+}
+
+CJS_Return CJX_LayoutPseudoModel::pageContent(
+    CJS_V8* runtime,
+    const std::vector<v8::Local<v8::Value>>& params) {
+  if (params.empty() || params.size() > 3)
+    return CJS_Return(JSGetStringFromID(JSMessage::kParamError));
+
+  int32_t iIndex = 0;
+  if (params.size() >= 1)
+    iIndex = runtime->ToInt32(params[0]);
+
+  WideString wsType;
+  if (params.size() >= 2)
+    wsType = runtime->ToWideString(params[1]);
+
+  bool bOnPageArea = false;
+  if (params.size() >= 3)
+    bOnPageArea = runtime->ToBoolean(params[2]);
+
+  CXFA_FFNotify* pNotify = GetDocument()->GetNotify();
+  if (!pNotify)
+    return CJS_Return(true);
+
+  CXFA_LayoutProcessor* pDocLayout = GetDocument()->GetDocLayout();
+  if (!pDocLayout)
+    return CJS_Return(true);
+
+  auto pArrayNodeList = pdfium::MakeUnique<CXFA_ArrayNodeList>(GetDocument());
+  pArrayNodeList->SetArrayNodeList(
+      GetObjArray(pDocLayout, iIndex, wsType, bOnPageArea));
+
+  // TODO(dsinclair): Who owns the array once we release it? Won't this leak?
+  return CJS_Return(runtime->NewXFAObject(
+      pArrayNodeList.release(),
+      GetDocument()->GetScriptContext()->GetJseNormalClass()->GetTemplate()));
+}
+
+CJS_Return CJX_LayoutPseudoModel::absPageCount(
+    CJS_V8* runtime,
+    const std::vector<v8::Local<v8::Value>>& params) {
+  return NumberedPageCount(runtime, false);
+}
+
+CJS_Return CJX_LayoutPseudoModel::absPageCountInBatch(
+    CJS_V8* runtime,
+    const std::vector<v8::Local<v8::Value>>& params) {
+  return CJS_Return(runtime->NewNumber(0));
+}
+
+CJS_Return CJX_LayoutPseudoModel::sheetCountInBatch(
+    CJS_V8* runtime,
+    const std::vector<v8::Local<v8::Value>>& params) {
+  return CJS_Return(runtime->NewNumber(0));
+}
+
+CJS_Return CJX_LayoutPseudoModel::relayout(
+    CJS_V8* runtime,
+    const std::vector<v8::Local<v8::Value>>& params) {
+  CXFA_Node* pRootNode = GetDocument()->GetRoot();
+  CXFA_Node* pFormRoot = pRootNode->GetFirstChildByClass(XFA_Element::Form);
+  CXFA_Node* pContentRootNode = pFormRoot->GetNodeItem(XFA_NODEITEM_FirstChild);
+  CXFA_LayoutProcessor* pLayoutProcessor = GetDocument()->GetLayoutProcessor();
+  if (pContentRootNode)
+    pLayoutProcessor->AddChangedContainer(pContentRootNode);
+
+  pLayoutProcessor->SetForceReLayout(true);
+  return CJS_Return(true);
+}
+
+CJS_Return CJX_LayoutPseudoModel::absPageSpan(
+    CJS_V8* runtime,
+    const std::vector<v8::Local<v8::Value>>& params) {
+  return pageSpan(runtime, params);
+}
+
+CJS_Return CJX_LayoutPseudoModel::absPageInBatch(
+    CJS_V8* runtime,
+    const std::vector<v8::Local<v8::Value>>& params) {
+  if (params.size() != 1)
+    return CJS_Return(JSGetStringFromID(JSMessage::kParamError));
+  return CJS_Return(runtime->NewNumber(0));
+}
+
+CJS_Return CJX_LayoutPseudoModel::sheetInBatch(
+    CJS_V8* runtime,
+    const std::vector<v8::Local<v8::Value>>& params) {
+  if (params.size() != 1)
+    return CJS_Return(JSGetStringFromID(JSMessage::kParamError));
+  return CJS_Return(runtime->NewNumber(0));
+}
+
+CJS_Return CJX_LayoutPseudoModel::sheet(
+    CJS_V8* runtime,
+    const std::vector<v8::Local<v8::Value>>& params) {
+  return PageInternals(runtime, params, true);
+}
+
+CJS_Return CJX_LayoutPseudoModel::relayoutPageArea(
+    CJS_V8* runtime,
+    const std::vector<v8::Local<v8::Value>>& params) {
+  return CJS_Return(true);
+}
+
+CJS_Return CJX_LayoutPseudoModel::sheetCount(
+    CJS_V8* runtime,
+    const std::vector<v8::Local<v8::Value>>& params) {
+  return NumberedPageCount(runtime, false);
+}
+
+CJS_Return CJX_LayoutPseudoModel::absPage(
+    CJS_V8* runtime,
+    const std::vector<v8::Local<v8::Value>>& params) {
+  return PageInternals(runtime, params, true);
+}
+
+CJS_Return CJX_LayoutPseudoModel::PageInternals(
+    CJS_V8* runtime,
+    const std::vector<v8::Local<v8::Value>>& params,
+    bool bAbsPage) {
+  if (params.size() != 1)
+    return CJS_Return(JSGetStringFromID(JSMessage::kParamError));
+
+  CXFA_Node* pNode = ToNode(runtime->ToXFAObject(params[0]));
+  if (!pNode)
+    return CJS_Return(runtime->NewNumber(0));
+
+  CXFA_LayoutProcessor* pDocLayout = GetDocument()->GetDocLayout();
+  if (!pDocLayout)
+    return CJS_Return(true);
+
+  CXFA_LayoutItem* pLayoutItem = pDocLayout->GetLayoutItem(pNode);
+  if (!pLayoutItem)
+    return CJS_Return(runtime->NewNumber(-1));
+
+  int32_t iPage = pLayoutItem->GetFirst()->GetPage()->GetPageIndex();
+  return CJS_Return(runtime->NewNumber(bAbsPage ? iPage : iPage + 1));
+}